Diurnal
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2008-06-14T22:21:49Z
Jopparn
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{{wiktionarypar|diurnal}}
'''Diurnal''' ("[[day|daily]]") may refer to:
* [[Diurnality]], the behavior of an animal that is active in the daytime
* Actions which are completed in 24 hours and are repeated every 24 hours, e.g. the sun reaching its zenith.
* [[Diurnal motion]], the apparent motion of stars around the Earth, caused by the Earth's rotation around its axis. More generally it means ''repeating daily'' as in e.g. ''diurnal effect''
* [[Diurnal phase shift]], the phase shift of electromagnetic signals associated with daily changes in the ionosphere
*[[Diurnal temperature variation]], the daily temperature shift that occurs from [[daytime]] to [[night]]
In '''astrology''':
* Diurnal chart, a chart for a given date, based on the [[natal chart]]
* Diurnal planet, a planet in a [[astrology of sect|sect]] for which the Sun is above the horizon
* [[Diurnal sign]], a sign in the zodiac whose natural positions are on the southern hemisphere of the horoscope
* [[Diurnal arc]], the time, as expressed in right ascension, it takes a planet, point, or degree to move from its rising point to its setting point
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[[es:Diurnal]]
[[fr:Diurne]]